<?php
/**
 * Buttons: shared markup, admin-driven styles (CSS variables), product-page button.
 *
 * @package Devis_Quote_Request
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class DevisQR_Buttons {

	public function __construct() {
		// Free edition: cart button only. Product-page and grid buttons live in the separate Pro add-on.
	}

	/* ------------------------------------------------------------------ */
	/*  Styles                                                             */
	/* ------------------------------------------------------------------ */

	/**
	 * Resolved style for a context (product may inherit from cart).
	 *
	 * @param string $context cart|product.
	 * @return array
	 */
	public static function style( $context ) {
		return DevisQR_Settings::all()['style_cart'];
	}

	/**
	 * CSS variables block for a style.
	 *
	 * @param array $st Style.
	 * @return string
	 */
	private static function vars( $st ) {
		$sizes = array(
			'sm' => array( '8px', '14px', '13px' ),
			'md' => array( '11px', '20px', '15px' ),
			'lg' => array( '14px', '26px', '17px' ),
		);
		$size = isset( $sizes[ $st['size'] ] ) ? $sizes[ $st['size'] ] : $sizes['md'];

		$bg         = $st['bg'] ? $st['bg'] : '#1e293b';
		$text       = $st['text'] ? $st['text'] : '#ffffff';
		$border     = $st['border'] ? $st['border'] : $bg;
		$hover_bg   = $st['hover_bg'] ? $st['hover_bg'] : $bg;
		$hover_text = $st['hover_text'] ? $st['hover_text'] : $text;

		$v = array();
		switch ( $st['variant'] ) {
			case 'outline':
				$v['--devisqr-bg']           = 'transparent';
				$v['--devisqr-text']         = $bg;
				$v['--devisqr-border']       = $border;
				$v['--devisqr-border-w']     = '2px';
				$v['--devisqr-hover-bg']     = $hover_bg;
				$v['--devisqr-hover-text']   = $hover_text;
				$v['--devisqr-hover-border'] = $hover_bg;
				break;
			case 'link':
				$v['--devisqr-bg']         = 'transparent';
				$v['--devisqr-text']       = $bg;
				$v['--devisqr-border']     = 'transparent';
				$v['--devisqr-hover-bg']   = 'transparent';
				$v['--devisqr-hover-text'] = $hover_bg;
				$v['--devisqr-hover-deco'] = 'underline';
				$v['--devisqr-pad-y']      = '2px';
				$v['--devisqr-pad-x']      = '0';
				break;
			default:
				$v['--devisqr-bg']         = $bg;
				$v['--devisqr-text']       = $text;
				$v['--devisqr-border']     = $border;
				$v['--devisqr-hover-bg']   = $hover_bg;
				$v['--devisqr-hover-text'] = $hover_text;
		}
		if ( 'link' !== $st['variant'] ) {
			$v['--devisqr-pad-y'] = $size[0];
			$v['--devisqr-pad-x'] = $size[1];
		}
		$v['--devisqr-font']   = $size[2];
		$v['--devisqr-radius'] = (int) $st['radius'] . 'px';
		$v['--devisqr-width']  = ! empty( $st['full_width'] ) ? '100%' : 'auto';

		$out = '';
		foreach ( $v as $k => $val ) {
			$out .= $k . ':' . $val . ';';
		}
		return $out;
	}

	/**
	 * Inline CSS: variables for the cart button (values come from the style editor form, never free CSS).
	 *
	 * @return string
	 */
	public static function inline_css() {
		$css  = '.devisqr-quote-wrap--cart .devisqr-quote-btn{' . self::vars( self::style( 'cart' ) ) . '}';
		/**
		 * Filter the inline CSS printed for the buttons.
		 *
		 * @param string $css CSS.
		 */
		return apply_filters( 'devisqr_buttons_inline_css', $css );
	}

	/**
	 * Wrapper CSS classes for a context (also used by the block script).
	 *
	 * @param string $context cart|product.
	 * @param string $extra   Extra classes.
	 * @return string
	 */
	public static function wrap_class( $context, $extra = '' ) {
		$st      = self::style( $context );
		$classes = array( 'devisqr-quote-wrap', 'devisqr-quote-wrap--' . $context );
		if ( 'cart' === $context ) {
			$classes[] = 'devisqr-quote-wrap--' . DevisQR_Settings::get( 'cart_button_align' );
		}
		if ( empty( $st['icon'] ) ) {
			$classes[] = 'devisqr-quote-wrap--no-icon';
		}
		if ( $extra ) {
			$classes[] = $extra;
		}
		return implode( ' ', array_map( 'sanitize_html_class', $classes ) );
	}

	/**
	 * Button label for a context.
	 *
	 * @param string $context cart|product.
	 * @return string
	 */
	public static function label( $context ) {
		$key  = 'product' === $context ? 'product_button_text' : 'cart_button_text';
		$text = trim( (string) DevisQR_Settings::get( $key ) );
		return '' !== $text ? $text : __( 'Request a quote', 'nuxwp-devis' );
	}

	/* ------------------------------------------------------------------ */
	/*  Markup                                                             */
	/* ------------------------------------------------------------------ */

	/**
	 * Button markup (shared by cart and product page).
	 *
	 * @param string $context cart|product.
	 * @param bool   $enabled Enabled state.
	 * @param array  $attrs   Extra data attributes on the wrapper.
	 */
	public static function render( $context, $enabled, $attrs = array() ) {
		$min_total = DevisQR_Helpers::min_cart_total();
		$id        = 'product' === $context ? 'devisqr-product-quote' : 'devisqr-submit-quote';
		$dom_id    = ( 'product' === $context && ! empty( $attrs['data-loop'] ) ) ? $id . '-' . (int) $attrs['data-product-id'] : $id;
		$attrs     = array_merge( array( 'data-user-access' => DevisQR_Helpers::user_access() ), $attrs );
		$attr_html = '';
		foreach ( $attrs as $k => $v ) {
			$attr_html .= ' ' . sanitize_key( $k ) . '="' . esc_attr( $v ) . '"';
		}
		?>
		<div id="<?php echo esc_attr( $dom_id ); ?>-wrap" class="<?php echo esc_attr( self::wrap_class( $context ) ); ?>"<?php echo $attr_html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- escaped above. ?>>
			<button type="button" id="<?php echo esc_attr( $dom_id ); ?>" class="devisqr-quote-btn <?php echo esc_attr( $id ); ?><?php echo $enabled ? '' : ' locked'; ?>" data-devisqr-context="<?php echo esc_attr( $context ); ?>"<?php echo isset( $attrs['data-product-id'] ) ? ' data-for="' . esc_attr( $attrs['data-product-id'] ) . '"' : ''; ?> <?php disabled( ! $enabled ); ?>>
				<span class="devisqr-btn-icon">
					<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path><polyline points="14 2 14 8 20 8"></polyline><line x1="16" y1="13" x2="8" y2="13"></line><line x1="16" y1="17" x2="8" y2="17"></line></svg>
				</span>
				<span class="devisqr-spinner"></span>
				<span class="devisqr-btn-title"><?php echo esc_html( self::label( $context ) ); ?></span>
				<?php if ( $min_total > 0 || 'product' === $context ) : ?>
					<span class="devisqr-btn-lock"<?php echo 'cart' === $context ? ' title="' . /* translators: %s: formatted amount */ esc_attr( sprintf( __( 'Minimum %s', 'nuxwp-devis' ), DevisQR_Helpers::price_text( $min_total ) ) ) . '"' : ''; ?>>
						<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect x="3" y="11" width="18" height="11" rx="2" ry="2"></rect><path d="M7 11V7a5 5 0 0 1 10 0v4"></path></svg>
					</span>
				<?php endif; ?>
			</button>
			<?php if ( $min_total > 0 ) : ?>
				<span class="devisqr-min-notice"><?php /* translators: %s: formatted amount */ echo esc_html( sprintf( __( 'From %s', 'nuxwp-devis' ), DevisQR_Helpers::price_text( $min_total ) ) ); ?></span>
			<?php endif; ?>
			<?php if ( 'cart' === $context ) : ?>
				<div id="devisqr-toast" class="devisqr-toast" style="display:none;"></div>
			<?php endif; ?>
		</div>
		<?php
	}


}